Frida Leider (18 April 1888 – 4 June 1975) was a German operatic soprano.
Leider was a dramatic soprano. Her most famous roles were Wagner's Isolde and Brünnhilde, Beethoven's Fidelio, Mozart's Donna Anna, and Verdi's Aida and Leonora. She made over 80 recordings, mainly for Polydor and HMV.